@media screen and (max-width: 768px) {
  html {
      font-size: 1rem
  }

    .coursedetail {
        margin: 0!important;
    }
}

a{color: #333}
.sec_1{
    width: 1200px;
    margin:0 auto;
}
#main{
background:#F6F6F6
}
.label_title{
    font-size: 18px; margin: 20px 0 10px 20px; font-weight: bold
}
.coursedetail {
    margin-left: 20px
}
.top{
    width: 45px;height: 20px;color: white;background-color: #ff3b08;line-height: 20px;
    font-size: 12px; border-radius: 5px;display: inline-block;text-align: center;margin-right: 5px;
}

.div_1{
    width:240px;
    height: 850px;
    margin:30px 20px  auto 0;/* 上 右 下 左 */
    float: left;
    background-color: #fff;
}
.div_2{
    width:940px;
    float: left;
    margin:30px 0  auto 0px;/* 上 右 下 左 */
    background-color: #fff;
}
.head_1{
    width: 170px;height: 50px;line-height: 50px;text-align: center;display:inline-block;font-weight: bold;border-bottom: 2px solid #CFCFCF;
}
.head_1:hover{cursor: pointer}
.head_change{
    border-bottom: 2px #e70012 solid;color: #e70012;
}
.js_title{
    height: 60px;line-height: 60px;font-size: 24px;width: 890px;margin-left: 30px;margin-top: 18px;
}
.js_content{
    font-size: 18px;width: 890px;margin-left: 30px;display: inline-block;
}
ul{
    margin-top: 20px;
}

li{
    /*height:50px;*/
    text-align: center;
    font-size: 16px;
    line-height:50px;
    word-wrap: break-word;
    word-break: break-all;
}
.lb_1:hover{
    cursor: pointer;
}
.lb_1_check{
    font-weight: bold;
}
.lb_1_check a{
    color: #e70012;
}
.div_0{
    margin: 10px auto auto 20px;
    float: left;
    width: 185px;

}
.div_00{
    width: 860px;
    margin:20px 30px;
    float: left;
}
hr{
    margin: auto;
}
.h4_1{
    margin: auto auto 5px 5px;
}

.sec_2{
    width: 1100px;
    /*display:inne-block;*/
    /*float: left;*/
    margin: 0 auto;
}

.div_3{
     height: 80px;
    line-height: 80px;
     margin: 20px auto auto auto;
    display:inline-block;
 }
.span_3{
    width: 1100px;
    text-align: center;
    margin: 0 auto;
    display:inline-block;
}
.div_4{
    width: 1100px;
    /*border: 1px #ced4da sod;*/
    margin: 10px auto auto auto;
}
.p_1{
    margin: 30px auto 50px auto;
}

.flex{
    display: flex;justify-content: space-between;
    padding: 15px 20px;
    border-bottom:1px solid #efefef;
}
.message{
    padding: 15px 20px;
    border-bottom:1px solid #efefef;
}
.message .change{
    display: none;
}
.bg_shadow{
    -webkit-box-shadow: 0 0 20px #e4e8eb;
    border-bottom: 1px solid #e7e7eb;
}
.message .content1{
    color:#9a9a9a;margin-top: 10px;font-size: 14px
}
.flex1{
    display: flex;justify-content: space-between;cursor: pointer;
}
.span_1{
    flex: 3;
    color: #999;
}

.span_2{
    flex:10;
    color: #333;
}
.this{
    background: #e70012;
}
.this a{
    color: #fff;
}
.noData{
    text-align: center;color:#999;font-size:58px
}
.span_1:hover, .span_2:hover{color:#e70012;}
.read{
    background-color: #ff5027;font-size: 12px;width: 45px;line-height: 18px;display: inline-block;
    text-align: center;border-radius: 4px;color: white;margin-left: 10px;
}
.readed{
    background-color: #649745;font-size: 12px;width: 45px;line-height: 18px;display: inline-block;
    text-align: center;border-radius: 4px;color: white;margin-left: 10px;
}


/*证书信息*/
.div_00 .title{
    color: #333;
    display: inline-block;
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: 700;
}
.div_00 .title_1{
    color: #333;
    font-size: 14px;
    font-weight: 700;
}
.div_00 .title_2{
    display:inline;
    color: #888;
    font-size: 14px;
    line-height: 22px;
}
.div_01 .title_1{
    color: #333;
    font-size: 15px;
    font-weight: 700;
}
.div_01 .title_2{
    display:inline;
    color: #888;
    font-size: 15px;
    line-height: 22px;
}
.b18{
    margin-bottom: 20px;
}

/*认证步骤*/
.mar20{
    margin: 30px 0;
}
.strip{
    height:20px;
    display: block;
    width: 6px;
    background: #FC7B28;
    vertical-align: sub;
    margin-right:14px;
    font-size: 0;
    float: left;
}
/*步骤*/
.step1{
    position: absolute;left: -14px;top:40px;
}
.step2{
    position: absolute;left: 252px;top:40px
}
.step3{
    position: absolute;left: 518px;top:40px
}
.step4{
    position: absolute;left: 784px;top:40px
}
.step5{
    position: absolute;left: 1050px;top:40px
}
.div_3 .this1{
    color:#e70012
}
.div_input{
    height: 80px;
    line-height: 80px;
    margin: 20px auto auto 360px;
}
.span_input{
    width: 90px;
    height: 50px;
    float: left;
    margin:50px 10px auto auto;
    font-size: 16px;
    line-height: 50px;
}
.inp_1{
    width: 260px;
    height: 50px;
    float: left;
    margin:50px auto auto auto;
}
.but_1{
    width: 100px;
    height: 40px;
    text-align: center;
    float: left;
    color: white;
    font-weight: bold;
    margin: 20px auto auto 520px;
    background: #e70012;
}
.wd160{
    height: 50px;
    margin-left: 20px;
    font-size: 16px;
    line-height: 50px;
    color:#D52525;
}
label.error {
    margin-top: 30px;
}

.flex_a{
    display: flex;
    width:400px;
    margin: 20px auto auto auto;
}
.but_2{
    padding:10px;
    background:#e70012;
    color: white;
    width: 100px;
    text-align: center;
    cursor: pointer;
}
.div_7{
    width:900px;
    margin:10px 20px;
    float: left;
    border-bottom: 1px solid #efefef;
    padding-bottom: 10px;
}
.my_btn{
    margin-top: 10px;cursor: pointer;border:1px solid #ff751a ;font-size: 14px;padding: 2px 4px;color:#ff751a;width: 100px;text-align: center;
}
.my_bg{
    margin:10px 0;border-bottom: 1px solid #efefef;padding: 10px 20px
}